Date: Sat, 25 Mar 2023 21:55:14 +0000 From: Jamie Landeg-Jones <jamie@catflap.org> To: freebsd-current@freebsd.org Subject: diff(1) goes into cpu-hogging endless loop Message-ID: <202303252155.32PLtEPF072349@donotpassgo.dyslexicfish.net>
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Hi, A "diff" of 2 files: 1 77,933,904 bytes 2 63,013,818 bytes , goes into an endless loop, whilst "gdiff" completes the operation in about 5 seconds. I tested using the latest "diff" from current, and get the same result. Splitting both files into 10Mb chunks, and diffing these was successful. A ktrace of the "diff" actually stops producing any output after about 5 seconds, whilst the cpu looping continues. Any ideas on what to do next? Does anyone else get the same result? The files are just utf-8 freebsd git logs, and are available here if anyone would like to test: http://www.catflap.org/jamie/1.xz (13,282,864 bytes) http://www.catflap.org/jamie/2.xz (12,221,164 bytes) Cheers, Jamie
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